15421119

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 24514560

約数和(自身を除く): 9093441

約数列:

[1, 3, 7, 21, 37, 89, 111, 223, 259, 267, 623, 669, 777, 1561, 1869, 3293, 4683, 8251, 9879, 19847, 23051, 24753, 57757, 59541, 69153, 138929, 173271, 416787, 734339, 2203017, 5140373, 15421119]

約数ペア:

[(1, 15421119), (3, 5140373), (7, 2203017), (21, 734339), (37, 416787), (89, 173271), (111, 138929), (223, 69153), (259, 59541), (267, 57757), (623, 24753), (669, 23051), (777, 19847), (1561, 9879), (1869, 8251), (3293, 4683)]